﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SuperMarketSystem
{
    public class TSM//一个记录实例类
    {
		public int ID=-1;//初始化ID 用于检测之后是否被正确赋值
		public int itemID;//商品ID
		public double price;//商品单价
		public int num;//商品数量
		public double sum;//总交易额
		public int root;//存根号
	}
}
